remove unused variables in ar5416Attach

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
remove unused variable in ah_setupRxDesc

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
remove unused variable in ah_setupTxDesc

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
remove unused variable in ah_fillTxDesc

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
remove unused variables on ah_fillKeyTxDesc

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
remove unused variables in ah_set11nTxDesc

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
remove unused variables in ah_set11nRateScenario

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
use one ar5416Set11nAggrFirst_20 for merlin and k2

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
remove unused variables in ah_set11nAggrFirst

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
remove unused variable ah_set11nAggrMiddle

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
remove unused variables ah_set11nAggrLast

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
remove unused variable in ah_clr11nAggr

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
remove unused variable in ah_set11nBurstDuration

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
remove unused variables ah_set11nVirtualMoreFrag

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>